Elevation drawing describing ducting section details in AutoCAD, dwg file.

This Architectural Drawing is AutoCAD 2d drawing of Elevation drawing describing ducting section details in AutoCAD, dwg file.  Ductwork refers to the system of ducts (metal or synthetic tubes) used to transport air from heating, ventilation and air-conditioning (HVAC) equipment throughout your home. Properly installed and well-maintained air ducts are a key component of indoor air quality and home comfort.